why does my Honda Accord 10th Generation (2018-2022) engine shake when I accelerate

Honda Accord 8th Generation (2008-2012)

Error Codes

3-5 hours

Time

medium

Difficulty

medium

Severity

3 min read

539 words

Problem Statement

Discover the causes and solutions for engine shaking during acceleration in Honda Accord 10th Generation (2018-2022). Step-by-step guide included.

Affected Component

Engine

Estimated Time

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Ensure the engine is cool before removing any components related to the engine.

Symptoms

•Engine vibrations or shaking during acceleration
•Noticeable loss of power
•Unusual noises from the engine compartment
•Rough idle when the vehicle is stopped
•Check engine light illuminated

Diagnostic Steps

1
Scan the vehicle's onboard diagnostics (OBD-II) for any error codes using an OBD-II scanner.
2
Inspect the engine mounts for signs of wear or damage.
3
Check spark plugs and ignition coils for proper function and signs of fouling or damage.
4
Examine fuel injectors for clogs or malfunctions.
5
Inspect the air intake system for leaks or restrictions.
6
Test the throttle position sensor (TPS) for proper voltage output.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Socket set
•Torque wrench
•Spark plug socket
•Fuel injector cleaning kit

Parts Required

•Engine mounts (if damaged)
•Spark plugs
•Ignition coils (if faulty)
•Fuel injectors (if necessary)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's onboard diagnostics (OBD-II) for any error codes using an OBD-II scanner.
2
Inspect the engine mounts for signs of wear or damage.
3
Check spark plugs and ignition coils for proper function and signs of fouling or damage.
4
Examine fuel injectors for clogs or malfunctions.
5
Inspect the air intake system for leaks or restrictions.
6
Test the throttle position sensor (TPS) for proper voltage output.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked on a flat surface, and engage the parking brake.
Disconnect the negative battery terminal for safety.

2. Inspect and Replace Engine Mounts

Sub-steps:
1. Raise the front of the vehicle using a jack and secure it with jack stands.
2. Visually inspect the engine mounts for cracks or separation.
3. If damaged, remove the bolts securing the engine mount to the engine and the chassis using a socket set.
4. Replace the old mount with a new one, ensuring proper alignment.
5. Torque the bolts to the manufacturer's specifications (usually around 40-50 ft-lbs).

3. Check and Replace Spark Plugs and Ignition Coils

Sub-steps:
1. Remove the ignition coils by unscrewing the retaining bolts and disconnecting the electrical connectors.
2. Remove the spark plugs using a spark plug socket, noting their condition.
3. Replace with new spark plugs (refer to manufacturer specifications for gap size).
4. Reinstall the ignition coils, ensuring they are seated correctly and reconnecting the connectors.

4. Clean or Replace Fuel Injectors

Sub-steps:
1. Remove the intake manifold if necessary to access the fuel rail and injectors.
2. Disconnect the fuel line and electrical connectors from the injectors.
3. Remove the injectors from the fuel rail and inspect them for blockages.
4. Clean the injectors with a specialized cleaning solution or replace with new injectors if necessary.
5. Reassemble all components, ensuring all connections are secure.